Sizing a PV system with storage

Sizing the solar field

Daily requirement (kWh)

Bj

230

Unfavourable solar radiation (kWh/m2/d)

Ej

5.19

Battery efficiency

ηbat

80%

Installation efficiency

ηins

90%

Peak power of the PV array (kWp)

Pc

62

Power of a module (W)

Pm

200

Module voltage (V)

Vm

24

Number of modules in series

Nms

4

Number of modules in parallel

Nmp

77

Total number of modules

Nmt

308

Sizing the storage system

Installation voltage (V)

Wines

96

Installation autonomy

Aut

1

Depth of discharge

DOD

85%

Installation capacity (Ah)

Cins

3523.28

Battery capacity (Ah)

Cbat

200

Battery voltage (V)

Vbat

12

Number of batteries in series

Nbs

8

Number of batteries in parallel

Nbp

18

Total number of batteries

Nbt

144